Wire grating structure



FIG. 1 is a perspective view of a wire grating structure showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof, the rear elevation view being a mirror image thereof; and,

FIG. 4 is a right side elevation view thereof, the left side elevation view being a mirror image thereof.

The broken lines depicting the remainder of the wire grating structure show features that form no part of the claimed design. 

CLAIM The ornamental design for a wire grating structure, as shown and described. 